Remove stl_util's STLValueDeleter.

chrome/browser/download/notification/download_notification_manager.h

Index: chrome/browser/download/notification/download_notification_manager.h
diff --git a/chrome/browser/download/notification/download_notification_manager.h b/chrome/browser/download/notification/download_notification_manager.h
index 3b45d8618a4ef6d33d42d285fe37ad9560446c6c..a3e9e761a0c45ae301902c0566fee54aa2cffb9d 100644
--- a/chrome/browser/download/notification/download_notification_manager.h
+++ b/chrome/browser/download/notification/download_notification_manager.h
@@ -5,6 +5,7 @@
 #ifndef CHROME_BROWSER_DOWNLOAD_NOTIFICATION_DOWNLOAD_NOTIFICATION_MANAGER_H_
 #define CHROME_BROWSER_DOWNLOAD_NOTIFICATION_DOWNLOAD_NOTIFICATION_MANAGER_H_
 
+#include <memory>
 #include <set>
 
 #include "chrome/browser/download/download_ui_controller.h"
@@ -29,12 +30,8 @@ class DownloadNotificationManager : public DownloadUIController::Delegate {
   friend class test::DownloadItemNotificationTest;
 
   Profile* main_profile_ = nullptr;
-  std::map<Profile*, DownloadNotificationManagerForProfile*>
+  std::map<Profile*, std::unique_ptr<DownloadNotificationManagerForProfile>>
       manager_for_profile_;
-
-  base::STLValueDeleter<
-      std::map<Profile*, DownloadNotificationManagerForProfile*>>
-      items_deleter_;
 };
 
 class DownloadNotificationManagerForProfile
@@ -65,14 +62,11 @@ class DownloadNotificationManagerForProfile
   Profile* profile_ = nullptr;
   DownloadNotificationManager* parent_manager_;  // weak
   std::set<content::DownloadItem*> downloading_items_;
-  std::map<content::DownloadItem*, DownloadItemNotification*> items_;
+  std::map<content::DownloadItem*, std::unique_ptr<DownloadItemNotification>>
+      items_;
 
   // Pointer to the message center instance.
   message_center::MessageCenter* message_center_;
-
-  base::STLValueDeleter<
-      std::map<content::DownloadItem*, DownloadItemNotification*>>
-      items_deleter_;
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_NOTIFICATION_DOWNLOAD_NOTIFICATION_MANAGER_H_